Re: simple pthread

Ian Collins <>
Tue, 26 Jul 2011 15:56:23 +1200
On 07/26/11 03:45 PM, cerr wrote:

hi There,

I'm just trying to write a little sample program with a thread. I can't get my thread started and am not sure why, I get
$ g++ -o example example.cpp
example.cpp: In member function ?int MyThread::StartMe()?:
example.cpp:42:59: error: expected primary-expression before ?void?

void is a type, you can't pass a type as a parameter!

example.cpp:42:63: error: initializer expression list treated as compound expression
the code:
int MyThread::StartMe(void)
   int pthread_create(&ThreadA, NULL,&MyThread::PrintMsg, void);

This looks like a mixed up function declaration!

int something = pthread_create( );

A decent compiler should tell you that MyThread::PrintMsg is the wrong
function type for the function pointer parameter of pthread_create.


void MyThread::PrintMsg(void)
   cout<< "I Incremented count: "<< count<< endl;

Can anyone point it out? I'm like HUH???


Ian Collins

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